/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.bindings.boot;

import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;

import java.util.Map;

import static org.springframework.core.env.CommandLinePropertySource.COMMAND_LINE_PROPERTY_SOURCE_NAME;

final class PropertySourceContributor {

    static void contributePropertySource(String name, Map<String, Object> properties, ConfigurableEnvironment environment) {
        MapPropertySource propertySource = new MapPropertySource(name, properties);

        MutablePropertySources propertySources = environment.getPropertySources();
        if (propertySources.contains(COMMAND_LINE_PROPERTY_SOURCE_NAME)) {
            propertySources.addAfter(COMMAND_LINE_PROPERTY_SOURCE_NAME, propertySource);
        } else {
            propertySources.addFirst(propertySource);
        }
    }

}
